Korean 15-year-olds' reading ability dropped significantly over the last three years, an OECD report showed Tuesday, likely partly due to the incre...

Korean 15-year-olds' reading ability dropped significantly over the last three years, an OECD report showed Tuesday, likely partly due to the incre...

OECD said tests taken last year by 15-year-olds in 91 countries and economies revealed a big drop in scores compared with a decade earlier. | World News